The answer is 1,3,4 are all it
Answer to 1st question: They dug irrigation systems and canals to get the water to their crops.
Answer to 2nd question: They knew how to boost the immune system and they knew how to get the body to produce more white-blood cells. They also had a 90% success rate on surgeries, including brain surgeries.
Answer to 3rd: He had a big army and long roads leading all over his empire so if there was an uprising his army could travel quickly.
Hope this helps, have a good day. c;
The answer would be an opportunity cost
Example of opportunity cost :
Let's say an artist have 2 choices for their Friday's schedule. The first one is to do a free meet and greet with his fans. The second one is to serve as a Guest star on a tv show, in whcih he will receive a payment.
Then, the artist chose to do the meet and greet instead.
The amount of money that the artist lost from his decision, is an example of an opportunity cost
Hope this help you out
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Answer:
She can develop major depressive disorder.
Explanation:
As you can see in the question above, Tara is sad and hopeless about her life. She maintains a very negative image about how she will live from now on and this can lead to very serious psychological problems, such as major depression disorder.
This disorder is mainly characterized by the constant feeling of anguish, sadness and lack of motivation that individuals feel in relation to themselves and the life they have. This disorder can lead to loss of interest to all possible factors, in addition to causing physical and behavioral changes.
Answer:
Explanation:
They’d influenced society by changing opinions and instilling values and art and music and lit give people a sense of self